EP2560333A3 - Methods and apparatus for defining a flow control signal - Google Patents

Methods and apparatus for defining a flow control signal Download PDF

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Publication number
EP2560333A3
EP2560333A3 EP12188392.0A EP12188392A EP2560333A3 EP 2560333 A3 EP2560333 A3 EP 2560333A3 EP 12188392 A EP12188392 A EP 12188392A EP 2560333 A3 EP2560333 A3 EP 2560333A3
Authority
EP
European Patent Office
Prior art keywords
queue
processor
value representing
transmit queue
receive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12188392.0A
Other languages
German (de)
French (fr)
Other versions
EP2560333B1 (en
EP2560333A2 (en
Inventor
Avanindra Godbole
Pradeep Sindhu
Jean-Marc Frailong
Arghajit Basu
Abhijeet Sampatrao Jadav
Naveen Jain
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Juniper Networks Inc
Original Assignee
Juniper Networks Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Juniper Networks Inc filed Critical Juniper Networks Inc
Priority to EP15197630.5A priority Critical patent/EP3024186B1/en
Priority claimed from EP09170041.9A external-priority patent/EP2164210B1/en
Publication of EP2560333A2 publication Critical patent/EP2560333A2/en
Publication of EP2560333A3 publication Critical patent/EP2560333A3/en
Application granted granted Critical
Publication of EP2560333B1 publication Critical patent/EP2560333B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/30—Flow control; Congestion control in combination with information about buffer occupancy at either end or at transit nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/11—Identifying congestion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/26—Flow control; Congestion control using explicit feedback to the source, e.g. choke packets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/26—Flow control; Congestion control using explicit feedback to the source, e.g. choke packets
    • H04L47/263—Rate modification at the source after receiving feedback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/26—Flow control; Congestion control using explicit feedback to the source, e.g. choke packets
    • H04L47/266—Stopping or restarting the source, e.g. X-on or X-off
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/50—Queue scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/50—Queue scheduling
    • H04L47/60—Queue scheduling implementing hierarchical scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/90—Buffering arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/50—Overload detection or protection within a single switching element
    • H04L49/505—Corrective measures

Abstract

In one embodiment, a processor-readable medium can store code representing instructions that when executed by a processor cause the processor to receive a value representing a congestion level of a receive queue and a value representing a state of a transmit queue. At least a portion of the transmit queue can be defined by a plurality of packets addressed to the receive queue. A rate value for the transmit queue can be defined based on the value representing the congestion level of the receive queue and the value representing the state of the transmit queue. The processor-readable medium can store code representing instructions that when executed by the processor cause the processor to define a suspension time value for the transmit queue based on the value representing the congestion level of the receive queue and the value representing the state of the transmit queue.
EP12188392.0A 2008-09-11 2009-09-11 Methods and apparatus for defining a flow control signal Active EP2560333B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15197630.5A EP3024186B1 (en) 2008-09-11 2009-09-11 Methods and apparatus for defining a flow control signal

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US9620908P 2008-09-11 2008-09-11
US12/242,230 US8218442B2 (en) 2008-09-11 2008-09-30 Methods and apparatus for flow-controllable multi-staged queues
US12/242,224 US8154996B2 (en) 2008-09-11 2008-09-30 Methods and apparatus for flow control associated with multi-staged queues
EP09170041.9A EP2164210B1 (en) 2008-09-11 2009-09-11 Methods and apparatus for defining a flow control signal

Related Parent Applications (3)

Application Number Title Priority Date Filing Date
EP09170041.9 Division 2009-09-11
EP09170041.9A Division EP2164210B1 (en) 2008-09-11 2009-09-11 Methods and apparatus for defining a flow control signal
EP09170041.9A Division-Into EP2164210B1 (en) 2008-09-11 2009-09-11 Methods and apparatus for defining a flow control signal

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP15197630.5A Division-Into EP3024186B1 (en) 2008-09-11 2009-09-11 Methods and apparatus for defining a flow control signal
EP15197630.5A Division EP3024186B1 (en) 2008-09-11 2009-09-11 Methods and apparatus for defining a flow control signal

Publications (3)

Publication Number Publication Date
EP2560333A2 EP2560333A2 (en) 2013-02-20
EP2560333A3 true EP2560333A3 (en) 2013-04-17
EP2560333B1 EP2560333B1 (en) 2016-02-10

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP15197630.5A Active EP3024186B1 (en) 2008-09-11 2009-09-11 Methods and apparatus for defining a flow control signal
EP12188392.0A Active EP2560333B1 (en) 2008-09-11 2009-09-11 Methods and apparatus for defining a flow control signal

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP15197630.5A Active EP3024186B1 (en) 2008-09-11 2009-09-11 Methods and apparatus for defining a flow control signal

Country Status (3)

Country Link
US (6) US8154996B2 (en)
EP (2) EP3024186B1 (en)
CN (2) CN103888368B (en)

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US8964556B2 (en) 2015-02-24
EP2560333B1 (en) 2016-02-10
US20100061238A1 (en) 2010-03-11
CN101917330B (en) 2014-05-07
CN101917330A (en) 2010-12-15
US8218442B2 (en) 2012-07-10
US20120195203A1 (en) 2012-08-02
CN103888368B (en) 2018-03-02
US8154996B2 (en) 2012-04-10
US20100061239A1 (en) 2010-03-11
US20120275307A1 (en) 2012-11-01
CN103888368A (en) 2014-06-25
EP2560333A2 (en) 2013-02-20
US10931589B2 (en) 2021-02-23
EP3024186A1 (en) 2016-05-25
US20180145917A1 (en) 2018-05-24
US8811163B2 (en) 2014-08-19
EP3024186B1 (en) 2020-04-15
US20150172196A1 (en) 2015-06-18
US9876725B2 (en) 2018-01-23

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